package sohu.com;
public class Triangle{
    double sideA;
    double sideB;
    double sideC;
    public double getArea(){
        double p = (sideA+sideB+sideC)/2.0;
        double area = Math.sqrt(p*(p-sideA)*(p-sideB)*(p-sideC));
        return area;
    }
    public void setSides(double a, double b, double c){
        sideA=a;
        sideB=b;
        sideC=c;
    }
}